//https://www.nowcoder.com/practice/99eb8040d116414ea3296467ce81cbbc?tpId=230&tqId=2023819&ru=/exam/oj&qru=/ta/dynamic-programming/question-ranking&sourceUrl=%2Fexam%2Foj%3Fpage%3D1%26tab%3D%25E7%25AE%2597%25E6%25B3%2595%25E7%25AF%2587%26topicId%3D196

#include <iostream>
#include<vector>
using namespace std;

int main()
{
    //1、读入数据
    int n = 0, m = 0, q = 0;
    cin >> n >> m >> q;
    vector<vector<int>> arr(n + 1, vector<int>(m + 1));
    for (size_t i = 1; i <= n; i++)
        for (size_t j = 1; j <= m; j++)
        {
            cin >> arr[i][j];
        }

    //2、创建二维前缀和数组
    vector<vector<long long>> temp(n + 1, vector<long long>(m + 1));
    for (size_t i = 1; i <= n; i++)
    {
        for (size_t j = 1; j <= m; j++)
        {
            temp[i][j] = temp[i][j - 1] + temp[i - 1][j] + arr[i][j] - temp[i - 1][j - 1];
        }
    }

    //3.使用二维前缀和数组
    int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
    while (q--)
    {
        cin >> x1 >> y1 >> x2 >> y2;
        cout << temp[x2][y2] - temp[x2][y1 - 1] - temp[x1 - 1][y2] + temp[x1 - 1][y1 - 1] << endl;
    }

    return 0;
}
